12 oz / 355 mL Coca Cola
1½ c / 355 mL Heinz ketchup
1 medium onion, chopped fine
¼ c / 60mL cider vinegar
¼ c / 60 mL Worcestershire sauce
1 t chili powder
1 t salt
hot sauce (Tabasco, Texas Pete) to taste
Bring all of the ingredients just to boil, then reduce to simmer for 30 to 45 minutes as sauce thickens, stirring occasionally. Use immediately or jar it up, and keep it in the fridge for a month or so.
Optional: Replace the Coke with your favorite root beer.